CN108343618B - Electronic water pump - Google Patents
Electronic water pump Download PDFInfo
- Publication number
- CN108343618B CN108343618B CN201810134426.4A CN201810134426A CN108343618B CN 108343618 B CN108343618 B CN 108343618B CN 201810134426 A CN201810134426 A CN 201810134426A CN 108343618 B CN108343618 B CN 108343618B
- Authority
- CN
- China
- Prior art keywords
- cavity
- heat
- circuit board
- control circuit
- heat dissipation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 230000017525 heat dissipation Effects 0.000 claims abstract description 48
- 239000012530 fluid Substances 0.000 claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004519 grease Substances 0.000 claims abstract description 9
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 9
- 239000000741 silica gel Substances 0.000 claims abstract description 9
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 9
- 239000000696 magnetic material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0673—Units comprising pumps and their driving means the pump being electrically driven the motor being of the inside-out type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5813—Cooling the control unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides an electronic water pump, which comprises a shell, a rotor assembly, a stator assembly and a control circuit board, wherein the rotor assembly is arranged on the shell; the shell is internally provided with a containing cavity and a fluid cavity which are isolated from each other; the stator assembly and the control circuit board are arranged in the accommodating cavity; the rotor component is arranged in the fluid cavity; a heat dissipation cavity is also arranged in the shell body; the heat dissipation cavity is filled with heat conduction silicone grease or heat conduction silica gel. According to the electronic water pump provided by the invention, the heat dissipation cavity is arranged at the position close to the fluid cavity, so that the heat on the control circuit board is quickly transferred into the heat dissipation cavity through the heat conducting plate; the heat dissipation cavity is filled with heat-conducting silicone grease or heat-conducting silica gel, and the arc-shaped radiating fins are arranged to enlarge the heat dissipation area, and meanwhile, heat in the heat dissipation cavity is taken away rapidly through fluid in the fluid cavity, so that the influence on the normal operation of the electronic water pump due to the fact that a large amount of heat is accumulated on the control circuit board is avoided.
Description
Technical Field
The invention relates to the technical field of water pumps, in particular to an electronic water pump.
Background
The electronic water pump is widely applied to an automobile heat dissipation circulation system, and provides circulation flow power of a heat dissipation medium in the heat dissipation circulation system. In the existing automobile electronic water pump, a rotor and a stator are controlled by a controller to be matched with each other, so that an impeller is driven to rotate; the circuit board in the controller can produce a large amount of heat during operation, and the electronic water pump circuit board in prior art dispels the heat through the circulation of air, and the radiating effect is general, and a large amount of heat energy is gathered in the pump case of electronic water pump in the operation process, has influenced the work efficiency of electronic water pump, and the circuit board of electronic water pump probably burns out when serious, therefore the electronic water pump of great power often needs bulky fin or adopts built-in fan to dispel the heat, and this can lead to the whole volume of electronic water pump to increase along with the increase of power.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides an electronic water pump which comprises a shell, a rotor assembly, a stator assembly and a control circuit board; the shell is internally provided with a containing cavity and a fluid cavity which are isolated from each other;
The stator assembly and the control circuit board are arranged in the accommodating cavity; the stator assembly is electrically connected with the control circuit board, and generates a rotating magnetic field under the control of the control circuit board;
The rotor assembly is arranged in the fluid cavity and comprises a rotary drum made of a permanent magnetic material and an impeller connected with the rotary drum, and the rotary drum drives the impeller to rotate under the drive of the rotating magnetic field;
a heat dissipation cavity is also arranged in the connected shell body; the heat dissipation cavity is communicated with the accommodating cavity;
the control circuit board is also provided with a heat conducting plate, one end of the heat conducting plate is fixed on the control circuit board, and the other end of the heat conducting plate extends into the heat dissipation cavity; and the heat dissipation cavity is filled with heat conduction silicone grease or heat conduction silica gel.
Further, the heat conducting plate is also provided with an arc-shaped radiating fin; the arc-shaped radiating fins are positioned in the radiating cavity; the arc-shaped radiating fins are attached to the inner wall of the radiating cavity.
Further, the shell comprises a front end cover, a rear end cover and a shell body; the front end cover and the shell body form the fluid cavity; the rear end cover and the shell body enclose the accommodating cavity.
Further, the front end cover is also provided with a water inlet and a water outlet.
Further, be equipped with circular sunken on the rear end cap, be equipped with the air vent on the circular sunken, the air vent is last to be covered with waterproof ventilated membrane, still be equipped with circular apron on the circular sunken, circular apron with have the clearance between the circular sunken, the clearance is linked together with the external world.
Further, the control circuit board is also provided with a sensor and a bracket; the sensor is fixed on the control circuit board through a bracket.
Further, a rotor shaft core is arranged in the fluid cavity; one end of the rotor shaft core is fixedly connected with the shell; the impeller is rotatably mounted on the rotor shaft core.
According to the electronic water pump provided by the invention, the heat dissipation cavity is arranged at the position close to the fluid cavity, so that the heat on the control circuit board is quickly transferred into the heat dissipation cavity through the heat conducting plate; the heat dissipation area is increased by filling heat conduction silicone grease or heat conduction silica gel in the heat dissipation cavity and arranging the arc-shaped heat dissipation fins, and meanwhile, heat in the heat dissipation cavity is taken away rapidly through fluid in the fluid cavity, so that a large amount of heat accumulated on the control circuit board is avoided. The electronic water pump provided by the invention has excellent heat dissipation performance while ensuring good sealing performance, and can ensure that a control circuit board can not accumulate a large amount of heat to influence the normal operation of the electronic water pump when controlling the electronic water pump to operate with higher power under the condition of not increasing the volume of the electronic water pump.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is an exploded schematic view of an electronic water pump according to an embodiment of the present invention;
fig. 2 is a top view of an electronic water pump according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a partial cross-sectional view of the housing of FIG. 3;
FIG. 5 is a schematic view of a portion of the rear end cap of FIG. 1;
fig. 6 is a schematic diagram of a portion of the control circuit board in fig. 1.
Reference numerals:
11 front end cover 12 rear end cover 13 housing body
14 Rotor shaft core 15 separation layer 20 rotor assembly
21 Rotor 22 impeller 30 stator assembly
40 Control circuit board 41 heat-conducting plate 42 arc-shaped radiating fin
43 Sensor 44 support 50 holding chamber
60 Fluid chamber 70 heat dissipation chamber 111 water inlet
112 Outlet 121 circular recess 122 vent
123 Circular cover plate
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Moreover, the use of the terms first, second, and the like do not denote any order, quantity, or importance, but rather the terms first, second, and the like are used to distinguish one element from another.
As shown in fig. 1 to 4, the electronic water pump provided by the embodiment of the invention comprises a shell, a rotor assembly 20, a stator assembly 30 and a control circuit board 40; the housing is internally provided with a containing cavity 50 and a fluid cavity 60 which are isolated from each other; the stator assembly 30 and the control circuit board 40 are disposed in the accommodating cavity 50; the stator assembly 30 is electrically connected with the control circuit board 40, and the stator assembly 30 generates a rotating magnetic field under the control of the control circuit board 40; the rotor assembly 20 is arranged in the fluid cavity 60, the rotor assembly 20 comprises a rotary drum 21 made of a permanent magnetic material and an impeller 22 connected with the rotary drum 21, and the rotary drum 21 drives the impeller 22 to rotate under the drive of the rotating magnetic field;
A heat dissipation cavity 70 is also arranged in the connected shell body 13; the heat dissipation cavity 70 is communicated with the accommodating cavity 50; the control circuit board 40 is also provided with a heat conducting plate 41, one end of the heat conducting plate 41 is fixed on the control circuit board 40, and the other end of the heat conducting plate 41 extends into the heat dissipation cavity 70; the heat dissipation cavity 70 is filled with heat-conducting silicone grease or heat-conducting silica gel.
Specifically, as shown in fig. 1, the housing includes a front end cover 11, a rear end cover 12, and a housing main body 13; wherein the inside of the shell main body 13 is divided into an upper cavity space and a lower cavity space which are isolated from each other by a separation layer 15, the front end cover 11 and the cavity space above the shell main body 13 enclose the fluid cavity 60, and the front end cover 11 is also provided with a water inlet 111 and a water outlet 112; the rear end cover 12 and the cavity space below the shell main body 13 enclose the accommodating cavity 50;
Rotor assembly 20 includes a drum 21 and an impeller 22 integrally provided with drum 21; the rotary drum 21 and the impeller 22 are mounted in the fluid chamber 60 through the rotor shaft core 14 and rotatable about the rotor shaft core 14 in the fluid chamber 60; the rotary drum 21 is made of permanent magnetic material, the cross section of the rotary drum is circular, as shown in fig. 4, the part of the fluid cavity 60 located in the shell body 13 is an annular groove, and the rotary drum 21 is located in the annular groove and can rotate in the annular groove; as shown in fig. 3, the stator assembly 30 and the control circuit board 40 are disposed in the accommodating chamber 50; the stator assembly 30 is electrically connected with the control circuit board 40 and generates a rotating magnetic field under the control of the control circuit board 40; the rotary drum 21 drives the impeller 22 to rotate under the driving of the rotating magnetic field, so that the fluid in the fluid chamber 60 is driven to move, and the fluid in the fluid chamber 60 is pumped to a designated position through the water outlet 112.
A heat dissipation cavity 70 is further arranged in the shell body 13, the heat dissipation cavity 70 is communicated with the accommodating cavity 50, and meanwhile, the heat dissipation cavity 70 is close to the fluid cavity 60; the control circuit board 40 is also provided with a heat conducting plate 41, and the heat conducting plate 41 is made of materials with good heat conductivity, such as aluminum alloy, copper and the like; one end of the heat conducting plate 41 is fixed in the control circuit board 40, and the other end of the heat conducting plate 41 extends into the heat dissipation cavity 70; the end of the heat conducting plate 41 extending into the heat dissipation cavity 70 is also connected with an arc-shaped heat dissipation fin 42; the arc-shaped heat sink 42 is made of a material having good thermal conductivity; the unfolded shape of the arc-shaped radiating fins 42 is the same as the outline shape of the inner wall of the radiating cavity 70 on the side close to the fluid cavity 60, and the arc-shaped radiating fins 42 are attached to the inner wall of the radiating cavity 70 on the side close to the fluid cavity 60; the heat dissipation chamber 70 is filled with heat conductive silicone grease or heat conductive silica gel.
When the electronic water pump provided by the embodiment of the invention works, heat generated by the control circuit board 40 can be quickly transferred to the arc-shaped radiating fins 42 through the heat conducting plate 41, and the heat is transferred to the shell between the radiating cavity 70 and the fluid cavity 60 through the arc-shaped radiating fins 42, and as the fluid in the fluid cavity 60 is in a flowing state under the action of the impeller 22, the fluid in the flowing state can quickly take away the heat in the area between the radiating cavity 70 and the fluid cavity 60, so that the influence on the working efficiency of the electronic water pump caused by the accumulation of a large amount of heat on the control circuit board 40 is avoided; the heat dissipation cavity 70 is further filled with heat conduction silicone grease or heat conduction silica gel with high heat conduction performance, so that the contact area between the heat conduction plate 41 and the heat dissipation fins as well as the inner wall of the heat dissipation cavity 70 can be further increased, the heat transfer efficiency is improved, and the heat on the control circuit board 40 can be transferred to the fluid in the fluid cavity 60 more quickly.
Preferably, the rear end cover 12 is provided with a circular recess 121, the circular recess 121 is provided with a through hole, the through hole is covered with a waterproof and breathable film, the circular recess 121 is further provided with a circular cover plate 123, a gap is formed between the circular cover plate 123 and the circular recess 121, and the gap is communicated with the outside. Specifically, as shown in fig. 1 and 5, a circular recess 121 is provided on the rear end cover 12, a vent hole 122 is provided in the middle area of the circular recess 121, the vent hole 122 penetrates through the rear end cover 12, and the accommodating cavity 50 can be communicated to the outside through the vent hole 122; a waterproof and breathable film is covered on the vent hole 122, so that air can enter or leave the accommodating cavity 50 through the vent hole 122, and liquid cannot enter the accommodating cavity 50 through the vent hole 122; the circular recess 121 is further provided with a circular cover 123, and as shown in fig. 5, a plurality of protrusions are further provided in the circular recess 121, so that a gap is formed between the circular cover 123 and the circular recess 121, and the gap is communicated with the outside. When the air in the accommodating cavity 50 is discharged to the outside through the vent hole 122 and the gap, part of heat in the accommodating cavity 50 can be taken away, so that the temperature in the accommodating cavity 50 is further reduced, and the whole heat dissipation performance of the electronic water pump is realized.
Preferably, the control circuit board 40 is further provided with a sensor 43 and a bracket 44; the sensor 43 is fixed to the control circuit board 40 by a bracket 44. Specifically, a sensor 43 for detecting the rotation angle and the rotation speed of the rotor assembly 20 is also provided on the control circuit board 40; as shown in fig. 6, the sensor 43 is fixedly connected to the control circuit board 40 through the bracket 44, and the sensor 43 can be precisely positioned at a predetermined mounting position when being mounted through the bracket 44, so that the sensor 43 can more precisely detect the rotation angle and the rotation speed of the rotor assembly 20 while improving the mounting efficiency of the sensor 43.
According to the electronic water pump provided by the embodiment of the invention, the heat dissipation cavity is arranged at the position close to the fluid cavity, so that the heat on the control circuit board is quickly transferred into the heat dissipation cavity through the heat conducting plate; the heat dissipation area is increased by filling heat conduction silicone grease or heat conduction silica gel in the heat dissipation cavity and arranging the arc-shaped heat dissipation fins, and meanwhile, heat in the heat dissipation cavity is taken away rapidly through fluid in the fluid cavity, so that a large amount of heat accumulated on the control circuit board is avoided. The electronic water pump provided by the embodiment of the invention has excellent heat dissipation performance while ensuring good sealing performance, and can ensure that a control circuit board can not accumulate a large amount of heat to influence the normal operation of the electronic water pump when controlling the electronic water pump to operate with higher power under the condition of not increasing the volume of the electronic water pump.
Although terms such as housing, fluid chamber, receiving chamber, heat dissipating chamber, separating layer, stator assembly, rotor assembly, control circuit board, rotor drum, impeller, heat conducting plate, etc. are more used herein, the possibility of using other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. An electronic water pump comprises a shell, a rotor assembly (20), a stator assembly (30) and a control circuit board (40); the method is characterized in that: the shell is internally provided with a containing cavity (50) and a fluid cavity (60) which are isolated from each other;
The stator assembly (30) and the control circuit board (40) are arranged in the accommodating cavity (50); the stator assembly (30) is electrically connected with the control circuit board (40), and the stator assembly (30) generates a rotating magnetic field under the control of the control circuit board (40);
The rotor assembly (20) is arranged in the fluid cavity (60), the rotor assembly (20) comprises a rotary drum (21) made of a permanent magnetic material and an impeller (22) connected with the rotary drum (21), and the rotary drum (21) drives the impeller (22) to rotate under the drive of the rotating magnetic field;
a heat dissipation cavity (70) is also arranged in the shell main body (13); the heat dissipation cavity (70) is communicated with the accommodating cavity (50), and the heat dissipation cavity (70) is close to the fluid cavity (60);
The control circuit board (40) is also provided with a heat conducting plate (41), one end of the heat conducting plate (41) is fixed on the control circuit board (40), the other end of the heat conducting plate (41) stretches into the heat radiating cavity (70), and one end of the heat conducting plate (41) stretching into the heat radiating cavity (70) is also connected with an arc-shaped heat radiating fin (42); the arc-shaped radiating fins (42) are made of materials with good heat conductivity; the expansion shape of the arc-shaped radiating fins (42) is the same as the outline shape of the inner wall of the radiating cavity (70) at one side close to the fluid cavity (60), and the arc-shaped radiating fins (42) are attached to the inner wall of the radiating cavity (70) at one side close to the fluid cavity (60); the heat dissipation cavity (70) is filled with heat conduction silicone grease or heat conduction silica gel;
the shell comprises a front end cover (11), a rear end cover (12) and a shell main body (13); the front end cover (11) and the shell main body (13) form the fluid cavity (60); the rear end cover (12) and the shell main body (13) form the accommodating cavity (50);
the novel waterproof and breathable rear end cover is characterized in that a circular recess (121) is formed in the rear end cover (12), a vent hole (122) is formed in the circular recess (121), a waterproof and breathable film is covered on the vent hole (122), a circular cover plate (123) is further arranged on the circular recess (121), a gap is formed between the circular cover plate (123) and the circular recess (121), and the gap is communicated with the outside.
2. The electronic water pump of claim 1, wherein: the front end cover (11) is also provided with a water inlet (111) and a water outlet (112).
3. The electronic water pump of claim 1, wherein: the control circuit board (40) is also provided with a sensor (43) and a bracket (44); the sensor (43) is fixed on the control circuit board (40) through a bracket (44).
4. The electronic water pump of claim 1, wherein: a rotor shaft core (14) is arranged in the fluid cavity (60); one end of the rotor shaft core (14) is fixedly connected with the shell; the impeller (22) is rotatably mounted on the rotor shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134426.4A CN108343618B (en) | 2018-02-09 | 2018-02-09 | Electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134426.4A CN108343618B (en) | 2018-02-09 | 2018-02-09 | Electronic water pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108343618A CN108343618A (en) | 2018-07-31 |
| CN108343618B true CN108343618B (en) | 2024-05-07 |
Family
ID=62959176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810134426.4A Active CN108343618B (en) | 2018-02-09 | 2018-02-09 | Electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343618B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980069B (en) * | 2018-08-22 | 2021-01-26 | 芜湖飞龙汽车电子技术研究院有限公司 | Plastic package shell convenient to electronic water pump test |
| CN114060307A (en) * | 2020-07-29 | 2022-02-18 | 四川航天世源汽车部件有限公司 | High-reliability electronic water pump rotor mounting structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2166230A1 (en) * | 2008-09-19 | 2010-03-24 | Grundfos Management A/S | Pump power unit |
| CN103140685A (en) * | 2010-09-29 | 2013-06-05 | 爱信精机株式会社 | Electric pump |
| WO2014003287A1 (en) * | 2012-06-27 | 2014-01-03 | 지엠비코리아 주식회사 | Electric water pump |
| KR20180008141A (en) * | 2016-07-15 | 2018-01-24 | 한온시스템 주식회사 | High voltage cooling fan motor unit |
| CN208503038U (en) * | 2018-02-09 | 2019-02-15 | 赛默（厦门）智能科技有限公司 | A kind of electronic water pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008128076A (en) * | 2006-11-20 | 2008-06-05 | Aisan Ind Co Ltd | Fluid pump |
-
2018
- 2018-02-09 CN CN201810134426.4A patent/CN108343618B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2166230A1 (en) * | 2008-09-19 | 2010-03-24 | Grundfos Management A/S | Pump power unit |
| CN103140685A (en) * | 2010-09-29 | 2013-06-05 | 爱信精机株式会社 | Electric pump |
| WO2014003287A1 (en) * | 2012-06-27 | 2014-01-03 | 지엠비코리아 주식회사 | Electric water pump |
| KR20180008141A (en) * | 2016-07-15 | 2018-01-24 | 한온시스템 주식회사 | High voltage cooling fan motor unit |
| CN208503038U (en) * | 2018-02-09 | 2019-02-15 | 赛默（厦门）智能科技有限公司 | A kind of electronic water pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108343618A (en) | 2018-07-31 |
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